Wis. Stat. § 168.01: Definitions.

In this subchapter:

(1) “Department” means the department of agriculture, trade and consumer protection.

(2) “Inspector” means a duly authorized petroleum products inspector of the department.

(2s) “Person” includes any individual, sole proprietorship, partnership, limited liability company, corporation, or association. A single-owner entity that is disregarded as a separate entity under ch. 71 is disregarded as a separate entity for purposes of this subchapter.

(3) “Petroleum products” means gasoline, gasoline-alcohol fuel blends, kerosene, fuel oil, burner oil and diesel fuel.

(4) “Supplier” includes a person who imports, or acquires immediately upon import, petroleum products by pipeline or marine vessel from a state, territory or possession of the United States or from a foreign country into a terminal and who is registered under 26 USC 4101 for tax-free transactions in gasoline. “Supplier” also includes a person who produces in this state; or imports into a terminal or bulk plant; or acquires immediately upon import by truck, railcar or barge into a terminal; alcohol or alcohol derivative products. “Supplier” also includes a person who produces, manufactures or refines petroleum products in this state. “Supplier” also includes a person who acquires petroleum products pursuant to an industry terminal exchange agreement or by a 2-party exchange under section 4105 of the Internal Revenue Code. “Supplier” does not include a retail dealer or wholesaler who merely blends alcohol with gasoline before the sale or distribution of the product and does not include a terminal operator who merely handles in a terminal petroleum products consigned to the terminal operator.